# Climate Tech investors in United States (2026 list)

> 391 climate Tech investors in United States, 85% active in the last 12 months. Led by Y Combinator, Techstars, Sequoia Capital. Ranked by what they funded.

Source: https://millionrounds.com/lists/climate-investors-in-united-states (Millionrounds; every figure on the page links to its filing or article)

[Investor Lists](https://millionrounds.com/lists)

# Climate Tech investors in United States

Updated 7 November 2026

Firms observed backing a climate Tech company in United States in the last two years, wherever the firm is based.

[See all 391 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fclimate-investors-in-united-states)The top 25

**391** investors on the list *-3* this week

**8,392** cheques in 12 months *-11%* against the market

**$20M** median round they joined *+150%* against the market median

**85%** wrote a cheque in 12 months

**57%** have led a round

## The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (25)

- 1 [Y Combinator](https://millionrounds.com/fund/y-combinator) *Deploying now* Accelerator · United States **6,412** **$3M** median round **Oct 2026** last seen
- 2 [Techstars](https://millionrounds.com/fund/techstars) *Deploying now* VC firm · United States **2,989** **$1.2M** median round **Nov 2026** last seen
- 3 [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) *Deploying now* VC firm · United States **2,099** **$35M** median round **Nov 2026** last seen
- 4 [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) *Deploying now* Government · United States **1,869** **$926K** median round **Sept 2026** last seen
- 5 [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) *Deploying now* VC firm · United States **1,661** **$27M** median round **Nov 2026** last seen
- 6 [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) *Deploying now* VC firm · United States **1,610** **$34M** median round **Oct 2026** last seen
- 7 [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) *Deploying now* VC firm · United States **1,598** **$12M** median round **Nov 2026** last seen
- 8 [Plug and Play](https://millionrounds.com/fund/plug-and-play) *Deploying now* Accelerator · United States **1,561** **$5M** median round **Nov 2026** last seen
- 9 [SV Angel](https://millionrounds.com/fund/sv-angel) *Deploying now* VC firm · United States **1,349** **$18M** median round **Oct 2026** last seen
- 10 [Accel](https://millionrounds.com/fund/accel) *Deploying now* VC firm · United States **1,341** **$32M** median round **Nov 2026** last seen
- 11 [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) *Deploying now* VC firm · United States **1,341** **$35M** median round **Nov 2026** last seen
- 12 [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) *Deploying now* VC firm · United States **1,128** **$26M** median round **Nov 2026** last seen
- 13 [Founders Fund](https://millionrounds.com/fund/founders-fund) *Deploying now* VC firm · United States **1,122** **$15M** median round **Oct 2026** last seen
- 14 [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) *Deploying now* VC firm · United States **1,038** **$30M** median round **Nov 2026** last seen
- 15 [Gaingels](https://millionrounds.com/fund/gaingels) *Deploying now* Private equity · United States **1,010** **$8M** median round **Oct 2026** last seen
- 16 [MassChallenge](https://millionrounds.com/fund/masschallenge) *Deploying now* Accelerator · United States **984** **$1.8M** median round **Sept 2026** last seen
- 17 [SOSV](https://millionrounds.com/fund/sosv) *Deploying now* VC firm · United States **951** **$2.5M** median round **Nov 2026** last seen
- 18 [FJ Labs](https://millionrounds.com/fund/fj-labs) *Deploying now* VC firm · United States **849** **$11M** median round **Oct 2026** last seen
- 19 [Right Side Capital Management](https://millionrounds.com/fund/right-side-capital-management) *Deploying now* VC firm · United States **834** **$875K** median round **Sept 2026** last seen
- 20 [First Round Capital](https://millionrounds.com/fund/first-round-capital) *Deploying now* VC firm · United States **807** **$18M** median round **Oct 2026** last seen
- 21 [Goldman Sachs](https://millionrounds.com/fund/goldman-sachs) *Deploying now* Private equity · United States **758** **$73M** median round **Oct 2026** last seen
- 22 [Bossa Invest](https://millionrounds.com/fund/bossa-invest) *Deploying now* VC firm · Brazil **657** **$6.7M** median round **Oct 2026** last seen
- 23 [Greycroft](https://millionrounds.com/fund/greycroft) *Deploying now* VC firm · United States **655** **$13M** median round **Nov 2026** last seen
- 24 [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) *Deploying now* Corporate VC · United States **649** **$26M** median round **Nov 2026** last seen
- 25 [Felicis](https://millionrounds.com/fund/felicis-ventures) *Deploying now* VC firm · United States **640** **$20M** median round **Nov 2026** last seen

**366 more on this list**

All 391 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000.

[See the whole list *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fclimate-investors-in-united-states)

## The Newest Cheques

Rounds this list's investors joined most recently

- **7** Nov **[Arka Fincap](https://millionrounds.com/company/arka-fincap)** Other *Led by* [TPG](https://millionrounds.com/fund/tpg)
- **6** Nov **[Fathom Therapeutics](https://millionrounds.com/company/fathom-therapeutics)** Round *With* [Sutter Hill Ventures](https://millionrounds.com/fund/sutter-hill-ventures)
- **6** Nov **[Humble Robotics](https://millionrounds.com/company/humble-robotics)** Series A · $51M *With* [Eclipse](https://millionrounds.com/fund/eclipse)
- **6** Nov **[Ocient](https://millionrounds.com/company/ocient)** Series C · $100M *With* [Greycroft](https://millionrounds.com/fund/greycroft)
- **6** Nov **[Thinking Machines Lab](https://millionrounds.com/company/thinking-machines-lab)** Other · $5B *Led by* [Accel](https://millionrounds.com/fund/accel)
- **6** Nov **[Harbinger](https://millionrounds.com/company/harbinger)** Series D+ · $240M *Led by* [Capricorn Investment](https://millionrounds.com/fund/capricorn-investment-group)

## Stages This Year

5,039 rounds

- Venture **20%**
- Seed **19%**
- Series A **16%**
- Pre-seed **8%**
- Series B **8%**
- Other **28%**

## What They Backed

Sectors, last 12 months

- AI **2,094**
- Fintech **317**
- Biotech **314**
- Healthcare **291**
- Big Data & Analytics **274**
- Energy **242**

## Cheques by Quarter

Led Joined

2,364 Q1 25

2,467 Q2 25

2,606 Q3 25

2,775 Q4 25

2,623 Q1 26

2,301 Q2 26

1,882 Q3 26

533 Q4 26

The last bar is the quarter still running.

## Lists Like This

- [AI investors in United States 3,683](https://millionrounds.com/lists/ai-investors-in-united-states)
- [Fintech investors in United States 1,166](https://millionrounds.com/lists/fintech-investors-in-united-states)
- [AI investors in United Kingdom 1,039](https://millionrounds.com/lists/ai-investors-in-united-kingdom)
- [Big Data & Analytics investors in United States 1,039](https://millionrounds.com/lists/big-data-investors-in-united-states)
- [Biotech investors in United States 914](https://millionrounds.com/lists/biotech-investors-in-united-states)
- [Energy investors in United States 798](https://millionrounds.com/lists/energy-investors-in-united-states)
- [Robotics investors in United States 797](https://millionrounds.com/lists/robotics-investors-in-united-states)
- [Construction investors in United States 742](https://millionrounds.com/lists/construction-investors-in-united-states)
- [Cybersecurity investors in United States 702](https://millionrounds.com/lists/cybersecurity-investors-in-united-states)

[All investor lists *→*](https://millionrounds.com/lists)

## Reading for founders in climate and energy

- Taming the Sun: Innovations to Harness Solar Energy and Power the Planet Varun Sivaram · 2018 4.06 from 510 ratings on Goodreads Climate and energy Innovation About the book How solar could spark a clean-energy transition through transformative innovation--creative financing, revolutionary technologies, and flexible energy systems. Solar energy, once a niche application for a limited market, has become the cheapest and fastest-growing power… On AmazonListen on Audible
- Race for Tomorrow: Survival, Innovation and Profit on the Front Lines of the Climate Crisis Simon Mundy · 2022 4.22 from 207 ratings on Goodreads Climate and energy Innovation Company building About the book In this extraordinary journey through twenty-six countries, Simon Mundy meets the people on the front lines of the climate crisis, showing how the struggle to respond is already reshaping the modern world – shattering communities, shaking up global business, and propelling a… On AmazonListen on Audible
- The Elements of Power: Gadgets, Guns, and the Struggle for a Sustainable Future in the Rare Metal Age David S. Abraham · 2015 4.06 from 264 ratings on Goodreads Climate and energy Company building About the book Our future hinges on a set of rare metals that few of us have even heard of. In this eye-opening book, a natural resource strategist reveals the critical importance of these transformative elements to our technological lifestyle and the consequences of our reliance upon them,… On AmazonListen on Audible
- Scale: The Universal Laws of Growth, Innovation, Sustainability, and the Pace of Life in Organisms, Cities, Economies, and Companies Geoffrey B. West · 2017 4.11 from 5,764 ratings on Goodreads Climate and energy Company building Innovation About the book The former head of the Sante Fe Institute, visionary physicist Geoffrey West is a pioneer in the field of complexity science, the science of emergent systems and networks. The term “complexity” can be misleading, however, because what makes West’s discoveries so beautiful is… On AmazonListen on Audible

More books for founders and investors on the [Reading List](https://millionrounds.com/reading-list?role=founder&industry=climate).

As an Amazon Associate we earn from qualifying purchases.

## Quick answers about climate Tech investors in United States

### Who are the most active climate Tech investors in United States?

By cheques observed, the most active are Y Combinator, Techstars, Sequoia Capital, National Science Foundation and Andreessen Horowitz.

### How many climate Tech investors in United States are there?

391 are on record. 85% made an investment in the last 12 months and 57% have led a round.

### Which stages do climate Tech investors in United States back?

Of the rounds with a named stage in the last 12 months, mostly Seed (26%) and Series A (23%).

### How big are the rounds climate Tech investors in United States join?

The typical (median) round among the leading investors here is $15M.

### Which sectors do climate Tech investors in United States back most?

In the last 12 months, mostly AI, Fintech and Biotech.

### Which climate Tech investors in United States lead the most rounds?

Andreessen Horowitz (114 led), Accel (103 led) and Sequoia Capital (91 led).

### Where are climate Tech investors in United States based?

Most of the leading investors here are based in the United States (24 of the top 25); the rest in Brazil.

### What have climate Tech investors in United States invested in recently?

Recent rounds include Arka Fincap (Other, Nov 2026, with TPG), Fathom Therapeutics (Nov 2026, with Sutter Hill Ventures) and Humble Robotics (Series A, Nov 2026, with Eclipse).

Built from the rounds we watched, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections)